emotet | 611e4688ec83a89298c8360ab21d3be95d54db67657d3b876c4c459cec4ffd83

Analysis

max time kernel
138s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-09-2024 02:12

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General

Target

df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
Size

65KB
MD5

df4e8fbaf4e9aea8eba28a773bd68283
SHA1

ff6e2a833f6f02f3f1baff03e9c4dd35d086cc2e
SHA256

611e4688ec83a89298c8360ab21d3be95d54db67657d3b876c4c459cec4ffd83
SHA512

55b957613881748f8e86b93b153f27fdb6b0f330630622b52bb5380739f19c8767d6906ebe5fb36228c529d7788c019403a46467614b4b4e8ad252f461eab1be
SSDEEP

1536:35EHpgcVVRF52aEgvWi4Q34FNtOAND4YafN1GK8:kbV7MZM2dH54P6

Score

10^/10

emotet banker discovery trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	wcstuip.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	wcstuip.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	wcstuip.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	wcstuip.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wcstuip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wcstuip.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	wcstuip.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	wcstuip.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	wcstuip.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3296	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
3296	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
3604	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
3604	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
4212	wcstuip.exe
4212	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe
3004	wcstuip.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3604	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3296 wrote to memory of 3604	3296	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe	83
PID 3296 wrote to memory of 3604	3296	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe	83
PID 3296 wrote to memory of 3604	3296	df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe	83
PID 4212 wrote to memory of 3004	4212	wcstuip.exe	95
PID 4212 wrote to memory of 3004	4212	wcstuip.exe	95
PID 4212 wrote to memory of 3004	4212	wcstuip.exe	95

C:\Users\Admin\AppData\Local\Temp\df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Users\Admin\AppData\Local\Temp\df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\df4e8fbaf4e9aea8eba28a773bd68283_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:3604

C:\Windows\SysWOW64\wcstuip.exe
"C:\Windows\SysWOW64\wcstuip.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4212
- C:\Windows\SysWOW64\wcstuip.exe
  "C:\Windows\SysWOW64\wcstuip.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3604-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

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